html,body{
	margin: 0;
	padding: 0;
	height: 100%;
}
#body_top{
	height: 70%;
}
#body_bottom{
	height: 30%;
	width: 100%;
}
#imgroll{
	position: relative;
}
#top_left_imgroll{
	width: 75%;
	height: 100%;
	display: inline-block;
}
#top_right_menu{
	width: 25%;
	height: 100%;
	display: inline-block;
	float: right;
}
#left_body{
	height: 100%;
}
#imgroll{
	height: 100%;
	background-image: url(../img/main_img_headroll.jpg);
	background-size: 100% 100%;
}
#imgroll img{
	width: auto;
	height: auto;
	max-width: 100%;
	max-height: 100%;
}
#imgroll_title{
	color: white;
	font-size: 22px;
	background-color: rgb(245,65,51);
	width: 26px;
	padding: 2px 10px;
	position: absolute;
	left: 6%;
	top: 6%;
}
.span_back{
	position: absolute;
	right: 0;
	bottom: 0;
	background-color: white;
	width: 6%;
	height: 8%;
	text-align: center;
	display: flex;
	justify-content: center;
	align-items: center;
}
.span_back_font{
	color: rgb(104,104,104);
	font-size: 36px;
}
.menu_no{
	color:rgb(104,104,104);
	font-size: 36px;
	float: left;
}
.menu_but{
	color:rgb(104,104,104);
	font-size: 36px;
	float: right;
}
#menu_top{
	height: 36px;
	padding: 6% 10%;
}
#menu_bottom ul{
	margin: 0;
	padding: 0;
}
#menu_bottom ul li{
	color:rgb(104,104,104);
	font-size: 22px;
	list-style: none;
	text-align: center;
	margin-top: 10%;
}

/*下半部分样式*/
#bottom_left_name{
	width: 45%;
	height: 100%;
	float: left;
}
#bottom_middle_img{
	width: 30%;
	height: 100%;
	float: left;
}
#bottom_right_search{
	width: 25%;
	height: 100%;
	float: right;
	background-color: rgb(255,165,77);
}
#bottom_middle_img div img{
	width: 100%;
	height: 100%;
	max-width: 100%;
	max-height: 100%;
}
#bottom_middle_img div{
	position: relative;
}
#bottom_middle_img div span{
	position: absolute;
	left: 45%;
	top: 30%;
	background-color:rgb(18,66,137);
	color: white;
	font-size: 40px;
	padding: 10px;
}
#bottom_middle_img div{
	height: 100%;
	width: 100%;
}
#text_content{
	position: relative;
	height: 100%;
	width: 100%;
}
#text_content h1{
	margin: 0;
	position: absolute;
	left: 20%;
	top: 20%;
	font-size: 50px;
}
#text_content div{
	position: absolute;
	left: 33%;
	top: 24%;
}
#text_content div h3{
	float: left;
	margin: 0;
}
#text_content div img{
	width: 11px;
	height: 22px;
	float: left;
	margin-left: -45px;
}
#bottom_right_search{
	display: flex;
	justify-content: center;
	align-items: center;
}
#bottom_right_search div div{
	text-align: center;
	color: white;
	font-size: 30px;
	margin-bottom: 20px;
}
.input_div{
	border-radius: 5px;
	border: 2px solid white;
	padding: 8px;
}
.input_div input{
	width: 220px;
	height: 30px;
	background-color: rgb(255,165,77);
	border: 0;
	padding: 0;
}
.input_div button{
	padding: 0;
	height: 50px;
	width: 80px;
	background-color: rgb(18,66,137);
	border: 0;
	color: white;
	font-size: 20px;
}